Youre probably not LSV, so you do actually need a way to win the game
The next time one would appear would be Future Sight
The best platforms for selling Pokmon cards are eBay for the largest buyer pool, TCGPlayer for the most engaged collector and player market, and Whatnot for live auction selling
Getting them graded can definitely help prove your cards are legitimate, but youll still need to back up their worth with quotes from other buyers, PSAs price guide and other sources when negotiating to get the best deal
For this category, I'm going to pick a card that is really doing work for Soldiers and will motivate you to build a new kind of soldier Kindred deck
Cyclopean Tomb, Word of Command, Lich, Two-Headed Giant of Foriys, Blaze of Glory, Raging River, Natural Selection, Singing Tree, and Khabal Ghoul, are all on the reserved list but lost value, or did not keep up with inflation, over the past 25 years